Activity 2: Viewing Objects Through the Microscope

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created 4 years ago by Zajdab
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updated 4 years ago by Zajdab
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1

What is the working distance?

The distance from the objective lens to the top of the slide.

2

How does the orientation of a letter change under the microscope?

It is "flipped" to the left and turned upside down.

3

Move the slide away from you as you view it through the ocular lens. In what direction does the image move?

Down.

4

Move the slide to the left. In what direction does the image move?

Right.

5

Describe the importance of parfocal.

Microscopes are parfocal, meaning once focused at a lower magnification, only minor adjustments will be made to focus the specimen at higher magnifications.

6

As you move up in magnification, does the image become larger or smaller?

Larger.

7

Moving up in magnification, does the field increase or decrease?

Decrease.

8

Is it more desirable to increase or to decrease light when changing to higher magnification?

Increase light because the objective lens opening decreases with increasing magnification, allowing less light to enter.